How To Fix /EACC/DM_PLIMA326 - Index &1 for table &2 is a unique index; this is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /EACC/DM_PLIMA -

• Message number: 326

• Message text: Index &1 for table &2 is a unique index; this is not supported

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /EACC/DM_PLIMA326 - Index &1 for table &2 is a unique index; this is not supported ?

  The SAP error message /EACC/DM_PLIMA326 Index &1 for table &2 is a unique index; this is not supported typically occurs in the context of data migration or data management processes, particularly when working with the SAP Data Migration Cockpit or similar tools. This error indicates that the system is trying to create or use a unique index on a table that does not support it in the current context.
  Cause:
  
  Unique Index Violation: The error suggests that the operation being performed is attempting to create or reference a unique index on a table that is not designed to support unique constraints in the current operation.
  Data Migration Issues: During data migration, if the source data contains duplicates that violate the unique index constraint, this error can occur.
  Configuration Issues: There may be a misconfiguration in the data migration settings or the mapping of fields that leads to the system trying to enforce a unique index where it shouldn't.
  
  Solution:
  
  Check Data for Duplicates: Review the data being migrated to ensure that there are no duplicate entries that would violate the unique index constraint. If duplicates exist, they need to be resolved before proceeding.
  Adjust Migration Settings: If you are using a migration tool, check the settings and mappings to ensure that they are correctly configured. You may need to adjust the mapping to avoid enforcing unique constraints where they are not applicable.
  Modify Index Settings: If possible, consider modifying the index settings in the target table to allow for non-unique entries during the migration process. This may involve temporarily dropping the unique index or changing it to a non-unique index.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool or process you are using. There may be specific guidelines or best practices for handling unique indexes during data migration.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling unique indexes during data migration.
  Data Migration Cockpit: Familiarize yourself with the SAP Data Migration Cockpit and its capabilities, as well as any limitations regarding unique indexes.
  Database Constraints: Understand the database constraints and how they apply to the tables involved in your migration process.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.